Light salt water can clean the residue, disinfection and sterilization, to prevent constipation due to excessive absorption of water in the colon, but also to prevent chronic gastritis, improve their immune function, can prevent inflammation of the gums, stomatitis, dental caries.
Note: Patients with high blood pressure are prohibited from drinking light salt water, because salt has the effect of raising blood pressure.
Soda is called weakly alkaline water or weakly alkaline water, in which sodium bicarbonate can neutralize gastric acid, strengthen intestinal and gastrointestinal absorption, and has the effect of stomach.
But long-term use of soda may cause alkalosis, anorexia, nausea, headache, convulsions, especially the elderly and patients with kidney disease, long-term use is more likely to occur alkalosis .